Sargent 98-2599 Hurricane Mullion Top Retainer Pack for HC980, 12-HC980 & 12-HD980
The Sargent 98-2599 is a Mullion Top Retainer Pack engineered as the factory-specified retainer accessory for the Sargent 80 Series HC980, 12-HC980, and 12-HD980 removable mullions. These steel mullions are purpose-built for severe wind load conditions associated with hurricanes and windstorms, tested to Dade County protocols and ASTM standards. The 98-2599 retainer pack is manufactured from malleable iron and is catalog-listed in the Sargent 90 Series catalog (90128 07/19) as the designated top retainer component for those mullion models. The 12- prefix models (12-HC980 and 12-HD980) denote the fire-labeled mullion versions within the 80 Series line.
Key Features & Benefits
- Factory-Specified Retainer: Catalog-listed by Sargent as the correct top retainer pack for HC980, 12-HC980, and 12-HD980 removable mullions — ensuring proper fit and performance within the 80 Series system.
- Malleable Iron Construction: Retainers are constructed of malleable iron, providing durability and resistance appropriate for high-demand wind-load door applications.
- Hurricane & Windstorm Rated Mullion Compatibility: Designed to service mullions that have been tested to Dade County protocols and ASTM standards for severe wind load conditions, making this pack a critical component in hurricane-rated door system maintenance and replacement.
- Fire-Labeled Mullion Support: Compatible with the 12-HC980 and 12-HD980 fire-labeled mullion variants, supporting proper service and replacement in fire-rated opening assemblies.
- Removable Mullion System: Engineered specifically for the removable-mullion configuration of the HC980, 12-HC980, and 12-HD980
- Companion Accessories Available: The companion bottom retainer pack is Sargent 98-2600. The companion top retainer shim kit is Sargent 601, available separately for complete top retainer servicing.
Parts List
Exploded Diagram
Technical Details
| Feature | Details |
|---|---|
| Brand | Sargent |
| Part Number | 98-2599 |
| Part Type | Mullion Top Retainer Pack |
| Material | Malleable Iron |
| Series Compatibility | Sargent 80 Series |
| Mullion Model Compatibility | HC980, 12-HC980, 12-HD980 |
| Mullion Type | Removable Mullion |
| Wind Load / Testing | Designed for severe wind load conditions; host mullions tested to Dade County protocols and ASTM standards |
| Fire-Labeled Mullion Support | Yes — compatible with 12-HC980 and 12-HD980 fire-labeled variants |
| Companion Bottom Retainer Pack | Sargent 98-2600 |
| Companion Top Retainer Shim Kit | Sargent 601 |
| Technical Reference | Sargent 90 Series Catalog 90128 07/19, Mullions Section; Sargent ED-84 Accessories Catalog (2026-02-02) |
Applications
The Sargent 98-2599 Mullion Top Retainer Pack is the correct replacement and service component for Sargent 80 Series HC980, 12-HC980, and 12-HD980 removable mullions installed in hurricane-rated and severe wind load door openings. Because the 12- prefix variants are fire-labeled mullions, this retainer pack also serves fire-rated opening assemblies utilizing those models. Specifiers, door hardware distributors, and facility maintenance professionals working with Sargent 80 Series mullion hardware in coastal, hurricane-exposure, or wind-zone construction should specify the 98-2599 along with companion components 98-2600 (bottom retainer pack) and 601 (top retainer shim kit) for a complete top and bottom retainer service solution.
| Brand | Sargent |
| Series | Sargent - 80 Series |
| Fire Rated | Fire Rated, Non-Rated |
| Part Type | Mullion Top Retainer Pack |
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